Methods that 2D-bar code uses in information hiding technology are given and translating information by PDF417 code is realized to make communication information more security.
介绍了二维条码符号表示及纠错码生成，给出二维条码用于信息隐藏技术的方法和途径，实现了用PDF417码传送信息，使通信信息更安全。
On the back of the card, a 2d bar-code along with a regular one and a magnetic stripe triplicate all the information on the front.
在卡背面，2d条形码，普通码和磁条将所有信息三重储存在卡正面。
This is a 2d plotting library for data visualization, and is used in some of the book's code samples that produce line graphs and bar charts.
这是一个用于数据可视化的2d绘图库，本书在一些程序例子中用到该库用于产生曲线图和柱状图。
Finally, some suggestions about the 2D bar code symbole structure design are proposed.
最后，对二维条码码图结构的设计提出了几点建议。
We are the multinational enterprises and one of the leaders in the Auto identification System Integration such as bar code and 2D code in Asia.
本公司系跨国公司，是亚洲地区自动识别系统（如条形码，2维码）开发的佼佼者之一。
We are the multinational enterprises and one of the leaders in the Auto identification System Integration such as bar code and 2D code in Asia.
本公司系跨国公司，是亚洲地区自动识别系统（如条形码，2维码）开发的佼佼者之一。
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